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#### Question

An element crystallizes in a f.c.c. lattice with cell edge of 250 pm. Calculate the density if 300 g of this element contain 2 × 10^{24} atoms.

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#### Similar questions

An element with density 10 g cm^{−3} forms a cubic unit cell with edge length of 3 × 10^{−8} cm. What is the nature of the cubic unit cell if the atomic mass of the element is 81 g mol^{−1}?

An element with density 2.8 g cm^{–3} forms a f.c.c. unit cell with edge length 4 x 10^{–8} cm. Calculate the molar mass of the element.

(Given : N_{A} = 6.022 x 1023 mol ^{–1})

Silver crystallises in fcc lattice. If edge length of the cell is 4.07 × 10^{−8} cm and density is 10.5 g cm^{−3}, calculate the atomic mass of silver

Niobium crystallises as body centred cube (BCC) and has density of 8.55 Kg / dm^{-3} . Calculate the attomic radius of niobium.

(Given : Atomic mass of niobium = 93).

Silver crystallises in FCC structure. If density of silver is 10.51 gcm^{-3}, calculate the volume of unit cell.

[Atomic mass of slive (Ag) = 108 gm^{-1}]